86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (80mm Phenolic and 6mm Building Panel)
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (80mm Phenolic and 6mm Building Panel)
- Product Code: A1-4992
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200mm - 2.88m2
Our ratings on 12-06-2026:
4.8 out of 5
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (80mm Phenolic + 6mm Building Panel)
Length: 2400mm
Width: 1200mm
Thickness: 86mm
Board Coverage: 2.88m2
Thermal Conductivity: 0.021W/mK
R-Value: 3.8m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board (80mm Phenolic + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/STP phenolic core is faced with low emissivity aluminium facings both sides, and has a thermal conductivity as low as 0.020W/mK.
Note: this product was formerly known as 86mm Xtratherm Safe-R SR/STP Phenolic Soffit Plus Board
APPLICATION
- Designed to use for ceiling insulation
CHARACTERISTICS
- Superior performance phenolic foam,
- Provides the most efficient U-values with minimal thickness,
- Effective thermal and fire performance,
- Low smoke obscuration,
- Low risk fire rating - Euroclass B s1 d0,
- For new build or refurbishment,
- Rot proof and will remain effective for the life span of the building,
- Can be readily cut using a sharp knife or fine toothed saw.
CERTIFICATION

Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.16m2
Delivery Time: 2 - 3 working days
100mm Unilin Safe-R SR/CW Phenolic Foam Insulation Board is a superior performance rigid partial fill cavity insulation board with enhanced fire performance, consisting of an Euroclass D-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/CW is faced with low emissivity alu..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 370mm - 0.44m2
Delivery Time: 7 - 10 days
150mm Unilin Rafterlock Thin-R XT/RLOC is a high‑performance pitched roof insulation board comprising a rigid Polyisocyanurate (PIR) core between low emissivity foil facings. Its unique variable‑width design ensures a snug fit between rafters, delivering excellent thermal efficiency with reduced ins..
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
20mm Unilin Thin-r XT/TF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings for use in timber framed walls. Unilin XT/TF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/TF is CFC & HCFC free and is manufactured u..
Guide Price: £15.62
£18.74 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 8.64m2
Delivery Time: 7 - 10 days
110mm Unilin Safe-R 019/MA (Soffit) Phenolic Insulation Board is a high‑performance phenolic insulation board designed for use on the underside of structural ceilings in both commercial and residential buildings. It delivers strong thermal efficiency and reliable fire performance, making it a robust..
Brand: Unilin (prev. Xtratherm)
Model: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
100mm Unilin ECO360 MA Sarking PIR Insulation board has a bio-enhanced, halogen free core of modified polyisocyanurate (PIR) pitched roof insulation bonded to textured low emissivity foil facings. Unilin ECO360 MA Sarking board offers excellent insulation performance with excellent th..
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 4.86m2
Delivery Time: 1-3 working days
50mm Unilin XtroLiner XO/CW board has a tongue and groove core of modified polyisocyanurate (PIR) bonded to low emissivity aluminium foil facings offering excellent insulation performance with thermal conductivity. Unilin XtroLiner XO/CW board reduces the junctions prone to thermal bridging imp..